Phu H.

Senior Fullstack Developer | AI Product Engineer | Frontend Specialist (React/Next.js) | AI SaaS & Agents Architect | IBM-trained developer Top-Tier US/EU/JP Enterprise Experience — New to Upwork, Hungry to Deliver 10x Value. Hi there, If you are looking for a standard developer who just takes tickets and writes boilerplate code slowly, I am not the right fit. But if you need an elite, frontend-heavy Fullstack Engineer who builds premium, high-converting SaaS products at lightning speed using Agile methodology and AI automation — let’s talk. I have spent years building scalable, high-performance applications for major clients across the US and Europe. As a newcomer to Upwork, my top priority is building an unblemished 5-star reputation. That means you get Silicon Valley-grade execution at a highly competitive introductory rate. Here is the tangible business value I bring to your project: 🚀 Proven Track Record in High-Growth SaaS & Infra Salesforge.ai (AI Sales Automation B2B SaaS): Contributed to building and optimizing the highly interactive Frontend and AI pipeline integration. I specialized in creating seamless user experiences that handle complex, real-time AI data streams, directly helping businesses scale their outbound revenue. Portals Project (Stateful Serverless Framework): Worked heavily with the core logic of distributed systems. Portals solves the multi-million dollar cloud infrastructure problem by enabling stateful serverless workflows. My work directly translates into cutting cloud infrastructure bills by up to 50% and reducing system latency down to milliseconds for high-throughput enterprises. 🛠️ Core Technical Stack Frontend (Expert): React, Next.js (Advanced SSR/ISR for bulletproof SEO and instant load times), TypeScript, Tailwind CSS, Premium Dark-mode Dashboards. Backend & Data: Node.js/Express, Python, Distributed Systems (Scala/JVM environment understanding), API Design, Supabase/PostgreSQL, MongoDB. 🤖 Next-Gen Velocity: AI Workflows & Agents (Agile) I don't build apps the old, slow way. I operate under a hyper-efficient Agile model where I orchestrate AI Agents, custom Workflows, and Skills (utilizing Claude, Antigravity, and Cursor AI). This allows me to clear terminal/console errors in seconds. It ensures clean architecture over spaghetti code. It enables me to ship features 3x to 5x faster than traditional developers, saving you thousands in development hours. I am highly comfortable working in American/European time zones, jumping on live synchronous coding/co-piloting sessions via Discord/Zoom, and driving product development from inception to deployment. Let’s skip the back-and-forth email exchange. Drop me a message, let's jump on a quick call, and I will show you exactly how we can bring your SaaS product to life with maximum ROI.